Human balance driven joystick



FIG. 1 is a perspective view of a human balance driven joystick, showing our new design;

FIG. 2 is a front side view thereof;

FIG. 3 is a rear side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof. 

We claim the ornamental design for a human balance driven joystick, as shown and described. 